Paint can shaker



FIG. 1 is perspective view of a paint can shaker embodying my new design.

FIG. 2 is a front elevational view thereof.

FIG. 3 is a rear elevational view thereof.

FIG. 4 is a right side elevational view thereof.

FIG. 5 is a left side elevational view thereof.

FIG. 6 is a top plan view thereof, the bottom being unornamented. 

The ornamental design for a paint can shaker, as shown and described. 